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DIFF Subgroup
G09B 1/40

to form symbols or signs by appropriate arrangement

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Manually- or mechanically-operated educational appliances using elements forming or bearing symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways > comprising elements to be used without a special support > to form symbols or signs by appropriate arrangement

CPC:

Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways (puzzle-games A63F9/00; advertising or displaying in general G09F) > comprising elements to be used without a special support > to form symbols or signs by appropriate arrangement

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class G09,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 16,046
  2. BOE TECHNOLOGY GROUP COMPANY 13,766
  3. BOE TECHNOLOGY GROUP COMPANY CN 12,804
  4. LG DISPLAY COMPANY KR 10,322
  5. SAMSUNG ELECTRONICS COMPANY KR 7,738
  6. SAMSUNG DISPLAY 5,172
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY 4,749
  8. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 3,417
  9. LG DISPLAY COMPANY 3,335
  10. SONY CORPORATION JP 3,179

Top Applicants (CPC)

Class G09,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 22,477
  2. BOE TECHNOLOGY GROUP COMPANY CN 16,016
  3. BOE TECHNOLOGY GROUP COMPANY 12,918
  4. LG DISPLAY COMPANY KR 12,599
  5. SAMSUNG ELECTRONICS COMPANY KR 12,009
  6. SAMSUNG DISPLAY 6,252
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 4,410
  8. SONY CORPORATION JP 3,965
  9. LG ELECTRONICS KR 3,901
  10. LG DISPLAY COMPANY 3,705